Subtract 30/8 from 30/98
1st number: 30/98, 2nd number: 3 6/8
30/98 - 30/8 is -675/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
30/98 = 30 × 4/98 × 4 = 120/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
30/8 = 30 × 49/8 × 49 = 1470/392 - Subtract the two like fractions:
120/392 - 1470/392 = 120 - 1470/392 = -1350/392 - After reducing the fraction, the answer is -675/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98-30/8 30/98-60/8 30/98-30/16 90/98-30/8 30/98-90/8 30/98-30/24 30/98-30/40 30/98-30/56